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    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
    <div id="app">
        <p v-if="gender===1">性别：♂ 男</p>
        <p v-else>性别：♀ 女</p>
        <hr>
        <p v-if="score >=90">成绩评定A：奖励电脑一台</p>
        <p v-else-if="score >=80">成绩评定B：奖励周末郊游</p>
        <p v-else-if="score >=60">成绩评定C：奖励零食礼包</p>
        <p v-else>成绩评定D：惩罚一周不能玩手机</p>
    </div>

    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
    <script>

        const app = new Vue({
            el: '#app',
            data: {
                gender: 1,
                score: 95
            }
        })
    </script>

</body>

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